This manuscript presents short review of schemes, techniques and algorithms of synchronous space-vector pulsewidth modulation (PWM) developed for overmodulation control of voltage source inverters of transformer-based grid-connected photovoltaic (PV) systems. These system topologies are based on dual-inverter or triple-inverter configurations supplied by the corresponding strings of PV panels, and connected specifically with inverter-side windings of power transformer. Algorithms of space-vector PWM, developed and modified for synchronous control of PV inverters with high modulation indices (operating in the zone of overmodulation) insure synchronization and symmetry of voltage waveforms, characterized by improved spectral composition, at the outputs of inverters and at the corresponding windings of multi-winding power transformer.

Schemes and Techniques of Synchronous Modulation of PV Inverters with High Modulation Indices: A Survey / Oleschuk, V.; Vasiliev, I.; Griva, G.; Spertino, F.. - ELETTRONICO. - (2021), pp. 1-6. (Intervento presentato al convegno 12th International Symposium on Advanced Topics in Electrical Engineering, ATEE 2021 tenutosi a Bucharest, Romania nel 25-27 March 2021) [10.1109/ATEE52255.2021.9425276].

Schemes and Techniques of Synchronous Modulation of PV Inverters with High Modulation Indices: A Survey

Oleschuk V.;Griva G.;Spertino F.
2021

Abstract

This manuscript presents short review of schemes, techniques and algorithms of synchronous space-vector pulsewidth modulation (PWM) developed for overmodulation control of voltage source inverters of transformer-based grid-connected photovoltaic (PV) systems. These system topologies are based on dual-inverter or triple-inverter configurations supplied by the corresponding strings of PV panels, and connected specifically with inverter-side windings of power transformer. Algorithms of space-vector PWM, developed and modified for synchronous control of PV inverters with high modulation indices (operating in the zone of overmodulation) insure synchronization and symmetry of voltage waveforms, characterized by improved spectral composition, at the outputs of inverters and at the corresponding windings of multi-winding power transformer.
2021
978-1-6654-1878-2
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11583/2916364